1850 Atlas
| Name | What | Place | Pop | Other |
| Hoadlin | T | Van Wert Co, OH | 125 | |
| Hoag's Corners | PO | Nassau twp, Rennselaer Co, NY | ||
| Hobart | PV | Stamford twp, Delaware Co, NY | water by branches of Delaware river | |
| Hobart | PO | Lake Co, IN | ||
| Hobbieville | PO | Greene Co, IN | ||
| Hobbyville | PO | Spartanburgh dist, SC | ||
| Hoboken | PV | Bergen twp, Hudson Co, NJ | 2,668 | water by Hudson river |
| Hockanum | PO | Hartford Co, CT | ||
| Hocking Port | PV | Athens Co, OH | ||
| Hodgedon | PT | Aroostook Co, ME | 862 | |
| Hodgeson's Mills | PO | Lincoln Co, ME | ||
| Hodgensville | PV | La Rue Co, KY | ||
| Hodge's Bend | PO | Fort Bend Co, TX | ||
| Hoffman's Ferry | PO | Glenville twp, Schenectady Co, NY | ||
| Hoffman's Gate | PO | Claverack twp, Columbia Co, NY | ||
| Hogansburgh | PV | Bombay twp, Franklin Co, NY | water by St Regis river | |
| Hogansville | PO | Dubuque Co, IA | ||
| Hogansville | PO | Troup Co, GA | ||
| Hog Creek | PO | Allen Co, OH | ||
| Hogestown | PV | Cumberland Co, PA | ||
| Hogle's Creek | PO | St Clair Co, MO | ||
| Hog Mountain | PO | Hall Co, GA | ||
| Hohenlinden | PO | Chickasaw Co, MS | ||
| Holcomb | PO | Burke Co, GA | ||
| Holden | PT | Worcester Co, MA | water by tributaries of Blackstone & Nashua rivers | |
| Holderman's Grove | PO | Kendall Co, IL | ||
| Holderness | PT | Grafton Co, NH | 1,744 | water by Squam lake & Pemigewasset river |
| Holland | PT | Hampden Co, MA | 449 | water by Quinnebaug river |
| Holland | PT | Erie Co, NY | 1,315 | water by Seneca & Cazenove creeks |
| Holland | PT | Orleans Co, VT | 669 | |
| Holland | PO | Venango Co, PA | ||
| Holland | PO | Ottawa Co, MI | ||
| Holland Patent | PV | Trenton twp, Oneida Co, NY | ||
| Holland's | PO | Laurens dist, SC | ||
| Holley | PV | Murray twp, Orleans Co, NY | water by Sandy creek & Erie canal | |
| Hollidaysburgh | PV | Frankstown twp, Blair Co, PA | 2,430 | water by Beaver Dam creek |
| Holliday's Cove | PO | Hancock Co, VA | ||
| Hollidaysville | PO | Dooly Co, GA | ||
| Hollingsworth | PB | Haberhsam Co, GA | ||
| Hollis | PT | Hillsborough Co, NH | 1,293 | water by Nashua river |
| Hollis | PT | York Co, ME | 2,683 | water by Saco river |
| Hollis | PO | Peoria Co, IL | ||
| Hollis Centre | PO | Hollis twp, York Co, ME | ||
| Hollister's Mills | PO | Holt Co, MO | ||
| Holliston | PT | Middlesex Co, MA | 2,488 | water by branch of Charles river |
| Hollow Creek | PO | Lexington dist, SC | ||
| Hollow Square | PO | Greene Co, AL | ||
| Holly | T | Oakland Co, MI | 941 | |
| Holly Creek | PO | Murray Co, GA | ||
| Holly Grove | PO | Walker Co, AL | ||
| Holly Grove | PO | Stewart Co, GA | ||
| Holly Hill | PO | Charleston dist, SC | ||
| Holly Mills | PO | Oakland Co, MI | ||
| Holly Point | PO | Drew Co, AR | ||
| Holly Retreat | PO | Wilkinson Co, MS | ||
| Holly Spring | PO | Wake Co, NC | ||
| Holly Spring | PO | Dallas Co, NC | ||
| Holly Springs | PV, CH | Marshall Co, MS | seat of justice | |
| Holmdel | PV | Middletown twp, Monmouth Co, NJ | ||
| Holmes | T | Crawford Co, OH | 1,238 | |
| Holmes Bay | PO | Washington Co, ME | ||
| Holmes Hole | PV | Tisbury twp, Dukes Co, MA | water by Vineyard sound, at Martha's Vineyard | |
| Holmes Valley | PO | Washington Co, FL | ||
| Holmesburgh | PV | Lower Dublin twp, Philadelphia Co, PA | water by Pennypack creek | |
| Holmesville | PV | Holmes Co, OH | ||
| Holmesville | PV, CH | Appling Co, GA | seat of justice | |
| Holmesville | PC, CH | Pike Co, MS | seat of justice, water by Bogue Chitto river | |
| Holmesville | PV | Avoyelles parish, LA | ||
| Holston | PO | Washington Co, VA | ||
| Holston Valley | PO | Sullivan Co, TN | ||
| Holt's Store | PO | Orange Co, NC | ||
| Holy Neck | PO | Nansemond Co, VA | ||
| Holyoke | PO | Hampden Co, MA | ||
| Homasassa | PO | Benton Co, FL | ||
| Home | PO | Indiana Co, PA | ||
| Home | PV | Jefferson Co, IN | ||
| Home | PV | Van Buren Co, IA | ||
| Home City | PO | Hamilton Co, OH | ||
| Home Spring | PO | Holmes Co, FL | ||
| Homer | T | Medina Co, OH | 1,102 | |
| Homer | PT | Cortland Co, NY | 3,816 | water by Toughnioga creek |
| Homer | PV | Burlington twp, Licking Co, OH | water by north fork of Licking river | |
| Homer | T | Athens Co, OH | water by Federal creek | |
| Homer | PO | Champaign Co, IL | ||
| Homer | PT | Calhoun Co, MI | 929 | |
| Homer | PO | Potter Co, PA | ||
| Homer | PV, CH | Claiborne parish, LA | seat of justice | |
| Homerville | PV | Homer twp, Medina Co, OH | ||
| Homewood | PO | Scott Co, MS | ||
| Hommony Creek | PO | Buncombe Co, NC | ||
| Homochitto | PO | Franklin Co, MS |